<template>
  <div class="login_container">
    <div class="login_box">
      <!--头像区域-->
      <div class="avatar_box">
        <img src="../assets/avatar.jpg" alt="图标" />
      </div>
      <!--表单区域-->
      <el-form ref="loginFormRef" class="login_form" :model="loginForm" :rules="loginFormRules">
        <!--用户名-->
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <!--密码-->
        <el-form-item prop="password">
          <el-input type="password" prefix-icon="iconfont icon-3702mima" v-model="loginForm.password"></el-input>
        </el-form-item>
        <!-- 登陆 -->
        <el-form-item class="btns">
            <el-button type="primary" @click="login">登陆</el-button>
            <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>


<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
            { required: true, message: '请输入登陆名', trigger: 'blur' },
            { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
            ],
        password: [
            { required: true, message: '请输入登陆密码', trigger: 'blur' },
            { min: 3, max: 15, message: '长度在 3 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForm(){
      this.$refs.loginFormRef.resetFields();
    },
    login(){
      this.$refs.loginFormRef.validate(async valid => {
        if(!valid)return;
        console.log(this);
        let {data : res} = await this.$http.post('login', this.loginForm);
        if(res.meta.status !== 200) return this.$message.error('登陆失败！');
        this.$message.success('登陆成功！');
        window.sessionStorage.setItem('token', res.data.token);
        this.$router.push('/home');
      });
    }
  }
};
</script>


<style lang="less" scoped>
.login_container {
  //background-color: #2b4b6b;
  background-image: linear-gradient(#89f7fe, #66a6ff);
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  border-radius: 5px;
  background-color: #fff;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avatar_box {
  height: 130px;
  width: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;

  img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
  }
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;

}

</style>